#app>.van-config-provider{
    height: 100%;
    display: flex;
    flex-direction: column;
    > .sdy-header{
      height: 46px;
      overflow: hidden;
    }
    >.sdy-footer{
        height: 50px;
    }
    >.sdy-container{
        flex: 1;
        overflow: auto;
    }
}
